.layout {
  width: 100%;
  height: 100%;
}
.index_banner {
  width: 100%;
  height: 380px;
  overflow: hidden;
  position: relative;
}
.index_banner ul {
  width: 300%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}
.index_banner ul li {
  float: left;
  width: 33.33%;
  height: 100%;
}
.index_banner ul li a {
  display: block;
  width: 100%;
  height: 100%;
}
.index_banner ul li a img {
  width: 100%;
  height: 100%;
  display: block;
}
.index_banner ul li a p {
  position: absolute;
  top: 135px;
  left: 40px;
  color: #fff;
  font-size: 60px;
}
.index_banner ol {
  width: 100%;
  position: absolute;
  bottom: 0;
  left: 50%;
  margin-left: -80px;
}
.index_banner ol li {
  width: 20px;
  height: 20px;
  float: left;
  background-color: #c6c6c7;
  border-radius: 50%;
  border: 1px solid #fff;
  margin: 20px;
}
.index_info {
  width: 100%;
  padding: 0 25px;
}
.index_info .info_box {
  width: 100%;
}
.index_info .info_box .info_box_title {
  width: 100%;
  height: 90px;
  line-height: 90px;
}
.index_info .info_box .info_box_title h3 {
  font-size: 30px;
  color: #5e5e63;
}
.index_info .info_box .info_box_title a {
  font-size: 22px;
  color: #ffc72c;
}
.index_info .info_box .info_box_con {
  width: 100%;
}
.index_info .info_box .info_box_con ul {
  width: 100%;
}
.index_info .info_box .info_box_con ul li {
  width: 50%;
  height: 210px;
  float: left;
  padding-right: 50px;
  padding-bottom: 34px;
}
.index_info .info_box .info_box_con ul li a {
  display: block;
  width: 100%;
  height: 100%;
  border-top-left-radius: 30px;
  border-top-right-radius: 30px;
  border-bottom-left-radius: 30px;
  border-bottom-right-radius: 30px;
  -webkit-box-shadow: 3px 3px 3px #ccc;
  -moz-box-shadow: 3px 3px 3px #ccc;
  box-shadow: 3px 3px 3px #ccc;
  -webkit-box-shadow: -3px -3px -3px #ccc;
  -moz-box-shadow: -3px -3px -3px #ccc;
  box-shadow: -3px -3px -3px #ccc;
}
.index_info .info_box .info_box_con ul li a img {
  width: 100%;
  height: 135px;
  border-top-left-radius: 30px;
  border-top-right-radius: 30px;
}
.index_info .info_box .info_box_con ul li a p {
  width: 100%;
  height: 40px;
  text-align: center;
  border-bottom-left-radius: 30px;
  border-bottom-right-radius: 30px;
  line-height: 40px;
  color: #ffc72c;
  font-size: 22px;
}
.mainCourse_footer {
  width: 100%;
  height: 100px;
  background-color: #4a4a4a;
  position: fixed;
  left: 0;
  bottom: 0;
}
.mainCourse_footer ul {
  width: 100%;
  height: 100%;
}
.mainCourse_footer ul li {
  float: left;
  width: 25%;
  height: 100%;
}
.mainCourse_footer ul li a {
  display: block;
  width: 100%;
  height: 100%;
  text-align: center;
}
.mainCourse_footer ul li a img {
  margin-top: 12px;
  width: 40px;
  height: 40px;
}
.mainCourse_footer ul li a p {
  color: #fff;
  font-size: 27px;
}
.index_banner ol li.active {
  background-color: #ffc72c;
}
.mainCourse_footer ol li.active {
  background-color: #ffc72c;
}
